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Finding the Fourth Proportional to 587,251.71, 810,464.19 and 329,172.45

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Solution

The fourth proportional to 587,251.71, 810,464.19 and 329,172.45 is: 454,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,251.71 : 810,464.19 = 329,172.45 : x
  2. Step 2: Convert to fraction form
    587,251.71/810,464.19 = 329,172.45/x
  3. Step 3: Cross multiply
    587,251.71x = 810,464.19 × 329,172.45
  4. Step 4: Simplify right side
    587,251.71x = 266,782,483,059.57
  5. Step 5: Solve for x
    x = 266,782,483,059.57/587,251.71
  6. Step 6: Final answer
    x = 454,289.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.